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  • Whitney Seevers
  • 5291how-to-repair-outlook-quickly
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Issue created Nov 04, 2025 by Whitney Seevers@whitneyseeversOwner

My Outlook running very slow

Outlook supports sending from a secondary connected account for Microsoft owned domains such as @outlook.com, @live.com, @hotmail.com but has not implemented this functionality for third-party domains. This alias will be added to their account as a secondary alias, with the original 3rd party alias will continue to be set up as the primary. Once this step is complete, the user will land in their Outlook inbox and be able to use all Outlook functionality with this new email address. You can also add the secondary connected accounts (Gmail, Yahoo, etc.) in Outlook.com as additional accounts in the Outlook profile. While these Microsoft accounts work in other Microsoft products (e.g. OneDrive, Windows, Xbox), they are non-functional when visiting Outlook.com.

You can automatically repair your Office program files to resolve such problems as Outlook freezing or not responding. To manage your mailbox by reducing the size of the Outlook data file, see Reduce the size of Outlook Data Files (.pst and .ost). Many of these items can be automatically checked by the Classic Outlook Advanced Diagnostics troubleshooter.

Your searches refer to this catalogue, so that you don't have to check every single folder and email for a term. If you have logged in to your @live.com email address in the last 12 months but don't remember the password, you can try the Microsoft Recovery Form. If you have not logged in to your email address in over two years, it will be considered inactive and may have been removed.

Find solutions to common problems or get help from a support agent. Ask a question and find solutions from Support Agents, MVPs, Engineers, and Outlook users. On June 25th, 2019, the Outlook Team made a change to how to repair Outlook quickly the service to fix this issue. If you are still seeing this issue, restart Outlook a couple of times so it can pick up the service change. Remember to re-enable your antivirus once Outlook is working properly.

If Outlook won't open, you can't check your incoming messages or send an outgoing one from your desktop. You cannot create a new email address with @live.com as the domain address. You cannot create a new email with how to repair Outlook quickly @msn.com as the domain address. Existing Hotmail accounts have been permitted to keep their email addresses as well. If Microsoft Outlook is not working, we might be able to help you pinpoint why.

Not something you want to take on lightly, but sometimes you have to. Similar to our earlier suggestion of repairing Office (see #3 Repair Your Microsoft Office above), perform the same steps except choose to Uninstall. Be aware that you may need your product key if you received one.

Start classic Outlook in safe modeIn Windows 10, click Start.Type Outlook /safe, in the Search programs and files and then click OK.Close and re-open Outlook.If the issue is resolved, you can keep working, or if you have time, take the following steps to find out what COM Add-in is causing the problem.

Warning This workaround may make a computer or a network more vulnerable to attack by malicious users or by malicious software such as viruses. We do not recommend this workaround but are providing this information so that you can implement this workaround at your own discretion. Use this workaround at your own risk.If your antivirus how to repair Outlook quickly software includes integration with Outlook, you may experience performance issues in Outlook. In this case, you can disable all Outlook integration within the antivirus software. Or, you can disable any antivirus software add-ins that are installed in Outlook.

If you manually type in the secondary connected account email address in the "From" field, the email is sent as "On behalf of" your primary Outlook.com account. A software rollout over the weekend was deployed incompletely, causing one component to send a high volume of messages to another component that had been deleted, overwhelming the routing plane servers. Availability has recovered, and engineers are investigating the root cause and identifying how to repair Outlook quickly problematic servers. The team is sweeping all remaining capacity to identify and address residual issues. Get Help has troubleshooters for classic Outlook for Windows you can run for many common scenarios, such as Outlook startup or profile setup problems. These often help resolve issues without the need to contact support.

For a list of antivirus software vendors, see Consumer antivirus software how to repair Outlook quickly providers for Windows. If the problem doesn't occur after you restart Outlook, one of the add-ins is likely the cause of the problem. Restore the add-ins one at a time until the problem does occur to determine which add-in is causing the problem. Although add-ins can enhance your user experience, they can occasionally interfere or conflict with Outlook. Upgrade to Microsoft Edge to take advantage of the latest features, security updates, and technical support.

If you need to update your email's POP or IMAP account settings, please go to POP and IMAP account settings for how to repair Outlook quickly more information. You might need to set Windows Update to automatically download and install recommended updates. Installing any important, recommended, and optional updates can often correct problems by replacing out-of-date files and fixing vulnerabilities. To install the latest Windows and Office updates, click the link below.

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